Patents by Inventor Simon John MacKenzie

Simon John MacKenzie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8404710
    Abstract: A phosphodiesterase 10A inhibitor serving as an effective prophylactic or therapeutic agent for Parkinson's disease, Huntington's disease, Alzheimer's disease, and schizophrenia. The PDE10A inhibitor contains as an active ingredient a pyrazolo[1,5-a]pyridine derivative represented by the following general formula: wherein R1 and R2 are each independently a hydrogen atom or a lower alkyl group having 1 to 4 carbons; and R3 is a hydrogen atom, a lower alkyl group having 1 to 4 carbons, or a lower alkoxyl group having 1 to 3 carbons.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: March 26, 2013
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Michiaki Nagasawa, Simon John Mackenzie
  • Publication number: 20110039882
    Abstract: A phosphodiesterase 10A inhibitor serving as an effective prophylactic or therapeutic agent for Parkinson's disease, Huntington's disease, Alzheimer's disease, and schizophrenia. The PDE10A inhibitor contains as an active ingredient a pyrazolo[1,5-a]pyridine derivative represented by the following general formula: wherein R1 and R2 are each independently a hydrogen atom or a lower alkyl group having 1 to 4 carbons; and R3 is a hydrogen atom, a lower alkyl group having 1 to 4 carbons, or a lower alkoxyl group having 1 to 3 carbons.
    Type: Application
    Filed: October 27, 2010
    Publication date: February 17, 2011
    Inventors: Michiaki NAGASAWA, Simon John MACKENZIE
  • Patent number: 7846942
    Abstract: A phosphodiesterase 10A inhibitor serving as an effective prophylactic or therapeutic agent for Parkinson's disease, Huntington's disease, Alzheimer's disease, and schizophrenia. The PDE10A inhibitor contains as an active ingredient a pyrazolo[1,5-a]pyridine derivative represented by the following general formula: wherein R1 and R2 are each independently a hydrogen atom or a lower alkyl group having 1 to 4 carbons; and R3 is a hydrogen atom, a lower alkyl group having 1 to 4 carbons, or a lower alkoxyl group having 1 to 3 carbons.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 7, 2010
    Assignee: Kyorin Pharmaceutical Co., Ltd
    Inventors: Michiaki Nagasawa, Simon John MacKenzie